Good reasons for roof planting - Green roofs and rainwater

被引：16

作者：

Kolb, W ^{[1
]}

机构：

[1] Bayer Landesanstalt Weinbau & Gartenbau, Abt Landespflege, Wurzburg, Germany

来源：

PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON URBAN HORTICULTURE | 2004年 / 643期

关键词：

evaporation; substrate; runoff coefficient; single-stratum construction; multi-strata construction;

D O I：

10.17660/ActaHortic.2004.643.38

中图分类号：

S6 [园艺];

学科分类号：

0902 ;

摘要：

This presentation is expected to be an argumentative basis for a better acceptance of roof planting based on measurements made with green roofs. The experiments show that annual evaporation factors of 45% - 70% of the rainfalls can be achieved. When choosing ideal substrates an essential reduction of the peak runoff is registered. Depending on the rating of rainfalls with 100, 200 and 300 1/(s*ha) reductions of the peak runoff as much as 52%, 29% and 17% could be registered when using efficient substrates. The runoff coefficient declines with increasing watercourse. Considering a watercourse of 10,0 m single-stratum construction techniques show a 45% better runoff coefficient than multi-strata construction techniques.

引用

页码：295 / 300

页数：6